Base | Representation |
---|---|
bin | 10010110100101111… |
… | …011101101000110110 |
3 | 1221011121211122221220 |
4 | 102310233131220312 |
5 | 312343311211410 |
6 | 13141345451210 |
7 | 1313606644422 |
oct | 226457355066 |
9 | 57147748856 |
10 | 20212210230 |
11 | 86322a1783 |
12 | 3b01040b06 |
13 | 1ba1648814 |
14 | d9a565b82 |
15 | 7d46d8070 |
hex | 4b4bdda36 |
20212210230 has 64 divisors (see below), whose sum is σ = 48716778240. Its totient is φ = 5366922624.
The previous prime is 20212210229. The next prime is 20212210259. The reversal of 20212210230 is 3201221202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970477 + ... + 9972503.
It is an arithmetic number, because the mean of its divisors is an integer number (761199660).
Almost surely, 220212210230 is an apocalyptic number.
20212210230 is an abundant number, since it is smaller than the sum of its proper divisors (28504568010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212210230 is a wasteful number, since it uses less digits than its factorization.
20212210230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3293.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20212210230 its reverse (3201221202), we get a palindrome (23413431432).
The spelling of 20212210230 in words is "twenty billion, two hundred twelve million, two hundred ten thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •